Answer:
a. free riding
Step-by-step explanation:
-Free riding is when someone takes advantage of something without making any effort for it.
-Group think refers to a siuation in which groups want to maintain unity and start to think together but act in an irrational way.
-Boundary spanning refers to creating outside relatinships to be able to accomplish the organization's goals.
-Benchmarking is a tool in which companies are compared in different aspects to analyze their performance and find best practices.
According to this, the answer is that this is an example of a dysfunctional norm resulting in free riding as Kelly is taking advantage of the norm to take the leaves but she is not doing her job.